# Civil Engineering - Waste Water Engineering

Exercise : Waste Water Engineering - Section 4
1.
A nuisance is experienced in diluting water if dilution factor is less than
100
60
40
20
10
Explanation:
No answer description is available. Let's discuss.

2.
Traps
are water seals which prevent the entry of foul gases
are used to trap the rats entering sewers
dissolve the foul gases
create syphonic action to increase the quick disposal of sewerage.
Explanation:
No answer description is available. Let's discuss.

3.
For estimating the peak run off the rational formula Q = 0.0278 KpA was evolved by
Kinchling
Lloyd Davis
Frubling
all the above.
Explanation:
No answer description is available. Let's discuss.

4.
Pick up the correct statement from the following :
Inlets are provided on the road surface at the lowest point for draining rain water
Inlets are generally provided at an interval of 30 m to 60 m along straight roads
Inlets having vertical openings, are called curb inlets
Inlets having horizontal openings, are called horizontal inlets
All the above.